Polk Audio db840DVC vs Rockford Fosgate P3D4-15

 
Polk Audio db840DVC
In Stock 
$79.99
  • polypropylene cone with Santoprene rubber surround
  • 50-180 watts RMS power range
  • frequency response: 30-200Hz
Add to Cart
Rockford Fosgate P3D4-15
In Stock 
$329.99
  • anodized aluminum cone with Santoprene surround
  • power range: 300-600 watts RMS (1200 watts peak power)
  • frequency response: 22-250 Hz
Add to Cart

Product Features

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Condition New StockNew Stock
Size
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8 -inch15 -inch
Impedance
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4 ohms4 ohms
Cone Material
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PolypropyleneAnodized Aluminum
Surround Material
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Santoprene rubberSantoprene
Ideal Sealed Box Volume (cubic feet)
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0.351.58
Ideal Ported Box Volume (cubic feet)
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0.62.66
Port diameter (inches)
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34
Port length (inches)
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1110
Free-Air
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NoNo
Dual Voice Coil
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YesYes
Sensitivity
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85 dB at 1 watt
86 dB at 1 watt
Frequency Response
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30 - 200 Hz22 - 250 Hz
RMS Power Range (Watts)
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50-180300-600
Peak Power Handling (Watts)
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3601200
Top Mount Depth (inches)
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47 11/16
Bottom Mount Depth (inches)
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4 3/8N/A
Cutout Diameter or Length (inches)
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7 1/1613 11/16
Vas (liters)
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15.8155.8
Fs (Hz)
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4322.4
Qts
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0.590.57
Xmax (millimeters)
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6.113.9
Parts Warranty
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1 Year1 Year
Labor Warranty
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1 Year1 Year
  Owner's ManualOwner's Manual
 Hands-on ResearchHands-on Research
 
Polk Audio db840DVC
In Stock 
$79.99
Add to Cart
Rockford Fosgate P3D4-15
In Stock 
$329.99
Add to Cart

Video: How to Choose a SubwooferThe first step to choosing a subwoofer actually begins with the enclosure and how you want the sub to perform. In this video we'll tell you about the different types of subwoofer enclosures available, and find out which one best fits your vehicle and your needs.

Dual Voice Coil SubwoofersDual voice coil subwoofers are a popular choice among car audio enthusiasts who want more flexibility in wiring their sound systems. If you're looking for maximum performance, a DVC sub might be the right choice for you.